Elsewhere, Gulf Harbour's Vyan Park was the only woman in the field of 13 to finish under par, shooting three under to take the women's championship ahead of Rose Zheng from Pakuranga with 12 over. Securing third place and bronze medal was Whangaroa's Brooke Kingi, finishing with 14-over.
Northland players in the mix included Brown, Gill and Kingi along with Julian Fowler, Kevin Kruse, Alex Neely, Kadin Neho, Christian Nitsche, Bob Shirley, Samantha Dangen, Taimana Ngakuru, Belinda May, and Soktaerodh and Soktaera Sean.
Also in the field were Tae Koh (former winner of the Australian amateur championship in 2014) and Vaughn McCall (former winner of the national strokeplay and matchplay titles).
Gill has secured his spot in the Northland U-19 team travelling with the U-16 side to take part in the interprovincials in Cambridge this week.